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Safe Steam IntroUninterrupted safety and efficiency
35 Slides
Safe Steam IntroUninterrupted safety and efficiency
35 Slides
Radiant RealitiesTim Blomdahl
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Safety is a condition. A mindset. Aproduct of personal dedication.
NBIC Bulletin winter 2016
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Oregon boilerand pressure
vessel law
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The Intent of Oregon Adopted Code
• Protect the public• Protect property• Fire safety• Ensure safe construction• Safe installation• Safe maintenance• Accessibility• Healthy environments• Efficiency
• Protect the public• Protect property• Fire safety• Ensure safe construction• Safe installation• Safe maintenance• Accessibility• Healthy environments• Efficiency
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To View Code: Googleasme.bpvc.i.a.2011.pdfChoose Sitelaw.resource.org/pub/us/code
2013 Current Edition
Radiant Realities 5
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To View 2007 Code: Googleasme.bpvc.iv.2007.pdfChoose Sitelaw.resource.org/pub/us/code
H
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To View Code: Googleasme.bpvc.vi.2010.pdfChoose Sitelaw.resource.org/pub/us/code
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To View Code: Googleasme.bpvc.vii.2010.pdfChoose Sitelaw.resource.org/pub/us/code
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Current Adopted Oregon Law2012 ASME CSD-1
Boilers up to 300 hp
•Assembly•Installation•Maintenance•Operation
General CG
Radiant Realities 9
TestingMaintenance
CM
Electrical CESteam
WatersideCW
CombustionCF
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Boilers and burnersabove 12,500,000
btus (300 hp)www.nfpa.org/freeaccess
Radiant Realities 10
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2012 CurrentAdopted Edition
2012 CurrentAdopted Edition
11
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2013 NBICNational Board Inspection Code• Part 1 Installation• Part 2 Inspection• Part 3 Repairs/Alterations
Nationalboard.org
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NBIC 2007
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Develop a Safety Program
• The goal of every safety program is tominimize the risk associated with boiler
operation.
• Danger is a given in regards to boilers.
• The goal of every safety program is tominimize the risk associated with boiler
operation.
• Danger is a given in regards to boilers.
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Boiler risk managementIssues develop over time and can be overlooked• Low water- (Dry firing)• Safe lighting of main flame• Scale accumulation• Corrosion• Sediment (Cycles of evaporation)• TDS(Water softener failure, treatment issues)• Poor water circulation within the boiler• Excess steam load… (Overloaded burners)• Safe purge cycles
Issues develop over time and can be overlooked• Low water- (Dry firing)• Safe lighting of main flame• Scale accumulation• Corrosion• Sediment (Cycles of evaporation)• TDS(Water softener failure, treatment issues)• Poor water circulation within the boiler• Excess steam load… (Overloaded burners)• Safe purge cycles
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Safe Operation of Boilers
• Is the boiler equipped with all of the safetydevices required for safe automatic firing.
• Is the boiler installed to code piping safetyrules. BEP, NBEP pipe and fittings.
• Are the controls tested and maintained.
• Is the boiler equipped with all of the safetydevices required for safe automatic firing.
• Is the boiler installed to code piping safetyrules. BEP, NBEP pipe and fittings.
• Are the controls tested and maintained.
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Safety SystemsEvery system is unique and requires a
set of safety rules that apply tospecific operating parameters'
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Operate the boiler with agood set of safety rules
• Avoid unsafe practices.• Evaluate the risks and decide on precautions.• Understand potential hazards and danger.
• Avoid unsafe practices.• Evaluate the risks and decide on precautions.• Understand potential hazards and danger.
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Look for potential hazardsA good operator studiestheir plant every day for
possible safetyproblems!
Look for potential hazardsA good operator studiestheir plant every day for
possible safetyproblems!
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Safety hazards
• Unusual noise• Fuel leaks• Steam leaks• Water leaks• Water hammer
• Unusual noise• Fuel leaks• Steam leaks• Water leaks• Water hammer
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What do boiler systems need?
Attention!Pay Attention
Attention!Pay Attention
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Safe today?
1. It’s not about how well the systemperformed yesterday.
2. It’s about is the system safe today?
3. How do I know?
1. It’s not about how well the systemperformed yesterday.
2. It’s about is the system safe today?
3. How do I know?
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Human factor
• Operation, maintenance, and people issuesare by far the biggest combustion safety issue.
• 40% of all deaths and accidents are caused byhuman error or poor maintenance.
• Codes offer very little specific direction inregards to training, other than to say trainingit is required and should be done regularly.
• Operation, maintenance, and people issuesare by far the biggest combustion safety issue.
• 40% of all deaths and accidents are caused byhuman error or poor maintenance.
• Codes offer very little specific direction inregards to training, other than to say trainingit is required and should be done regularly.
Radiant Realities 30
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Objectives
• Extend operating life of the equipment.• Reduce the cost of ownership.• Enhance system efficiency.
Objectives
• Extend operating life of the equipment.• Reduce the cost of ownership.• Enhance system efficiency.
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Common practices that should befollowed to avoid destroying a boiler
• Frequently observe the burner flame. Look forsmoke, or soot, flame impingement, furnace andrefractory condition.
• Always investigate the cause of burner tripsbefore numerous attempts to relight .
• Never use untreated water in the boiler.• Verify that the water treatment system is
operating properly• Continually monitor the quality of condensate
returning to the boiler• Monitor continuous BD conductivity• Verify the water leaving the DA is free of oxygenNBIC Bulletin article “How to destroy a boiler.”(Nationalboard.org)
• Frequently observe the burner flame. Look forsmoke, or soot, flame impingement, furnace andrefractory condition.
• Always investigate the cause of burner tripsbefore numerous attempts to relight .
• Never use untreated water in the boiler.• Verify that the water treatment system is
operating properly• Continually monitor the quality of condensate
returning to the boiler• Monitor continuous BD conductivity• Verify the water leaving the DA is free of oxygenNBIC Bulletin article “How to destroy a boiler.”(Nationalboard.org)
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A boiler system does not care if:
• You have been an operator for 30 years• Your service company has one of the best
records in the State of Oregon• Your inspection skills are impeccable• You have more knowledge than any other
human being in regards to pressure systems• You are conscientious and just plain brilliant
Boiler systems need to be monitored, tested,maintained and paid attention too!
• You have been an operator for 30 years• Your service company has one of the best
records in the State of Oregon• Your inspection skills are impeccable• You have more knowledge than any other
human being in regards to pressure systems• You are conscientious and just plain brilliant
Boiler systems need to be monitored, tested,maintained and paid attention too!
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Develop unique safety checklists• Water level• Steam pressure• Burner firing rate• Main gas pressure• Burner supply gas pressure• Burner flame condition• Flue temperature• Feedwater temperature• Feedwater tank water level• Feed pump discharge pressure• Makeup water usage• City water pressure• Post and pre-purge operation
• Water level• Steam pressure• Burner firing rate• Main gas pressure• Burner supply gas pressure• Burner flame condition• Flue temperature• Feedwater temperature• Feedwater tank water level• Feed pump discharge pressure• Makeup water usage• City water pressure• Post and pre-purge operation
Radiant Realities 34
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Successful training reducesaccidents, improves reliability, and
improves efficiency, productivity andthe bottom line.
Successful training reducesaccidents, improves reliability, and
improves efficiency, productivity andthe bottom line.
The human side of energy efficiencySteam Digest 2002